import java.util.Scanner;

// 注意类名必须为 Main, 不要有任何 package xxx 信息
public class code1 {
    public static void main(String[] args) {
        String str = "";
        Scanner in = new Scanner(System.in);
        while(in.hasNext()) {
            char ch = in.next().charAt(0);
            if(ch>='a'&&ch<='z') ch -= 32;
            str += ch;
        }
        System.out.print(str);
    }
}